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Finding the Fourth Proportional to 882,322.75, 1,323,484.26 and 217,474.75

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Solution

The fourth proportional to 882,322.75, 1,323,484.26 and 217,474.75 is: 326,212.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,322.75 : 1,323,484.26 = 217,474.75 : x
  2. Step 2: Convert to fraction form
    882,322.75/1,323,484.26 = 217,474.75/x
  3. Step 3: Cross multiply
    882,322.75x = 1,323,484.26 × 217,474.75
  4. Step 4: Simplify right side
    882,322.75x = 287,824,408,572.44
  5. Step 5: Solve for x
    x = 287,824,408,572.44/882,322.75
  6. Step 6: Final answer
    x = 326,212.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.